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97995893 = 2347269337
BaseRepresentation
bin1011101011101…
…00110001110101
320211101201002112
411311310301311
5200041332033
613420220405
72266644212
oct565646165
9224351075
1097995893
1150352846
122899a705
13173c1548
14d02cb09
15890ac48
hex5d74c75

97995893 has 16 divisors (see below), whose sum is σ = 105131520. Its totient is φ = 91128576.

The previous prime is 97995883. The next prime is 97995907. The reversal of 97995893 is 39859979.

It is not a de Polignac number, because 97995893 - 214 = 97979509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97995823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290621 + ... + 290957.

It is an arithmetic number, because the mean of its divisors is an integer number (6570720).

Almost surely, 297995893 is an apocalyptic number.

It is an amenable number.

97995893 is a deficient number, since it is larger than the sum of its proper divisors (7135627).

97995893 is a wasteful number, since it uses less digits than its factorization.

97995893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676.

The product of its digits is 5511240, while the sum is 59.

The square root of 97995893 is about 9899.2874996133. The cubic root of 97995893 is about 461.0371886186.

The spelling of 97995893 in words is "ninety-seven million, nine hundred ninety-five thousand, eight hundred ninety-three".

Divisors: 1 23 47 269 337 1081 6187 7751 12643 15839 90653 290789 364297 2085019 4260691 97995893